<template>
  <div>
    <div>
      <el-input
        style="width: 200px"
        placeholder="查询名称"
        v-model="name"
      ></el-input>
      <el-button type="primary" style="margin-left: 10px" @click="load(1)"
        >查询</el-button
      >
      <el-button type="info" @click="reset">重置1</el-button>
    </div>
    <div style="margin: 10px 0">
      <el-button type="primary" plain @click="handleAdd">新增</el-button>
      <el-button type="danger" plain @click="delBatch">批量删除</el-button>
    </div>
    <el-table
      :data="tableData"
      stripe
      :header-cell-style="{ backgroundColor: 'aliceblue', color: '#666' }"
      @selection-change="handleSelectionChange"
    >
      <el-table-column
        type="selection"
        width="55"
        align="center"
      ></el-table-column>
      <el-table-column
        prop="id"
        label="序号"
        width="70"
        align="center"
      ></el-table-column>
      <el-table-column prop="no" label="订单编号"></el-table-column>
      <el-table-column prop="name" label="订单名称"></el-table-column>
      <el-table-column
        prop="money"
        label="订单金额"
        show-overflow-tooltip
      ></el-table-column>
      <el-table-column prop="user" label="用户"></el-table-column>
      <el-table-column prop="date" label="创建时间"></el-table-column>
      <el-table-column label="操作" align="center" width="180">
        <template v-slot="scope">
          <el-button
            size="mini"
            type="primary"
            plain
            @click="handleEdit(scope.row)"
            >编辑</el-button
          >
          <el-button size="mini" type="danger" plain @click="del(scope.row.id)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <div style="margin: 10px 0">
      <el-pagination
        @current-change="handleCurrentChange"
        :current-page="pageNum"
        :page-size="pageSize"
        layout="total, prev, pager, next"
        :total="total"
      >
      </el-pagination>
    </div>

    <el-dialog
      title="信息"
      :visible.sync="fromVisible"
      width="40%"
      :close-on-click-modal="false"
    >
      <el-form
        :model="form"
        label-width="80px"
        style="padding-right: 20px"
        :rules="rules"
        ref="formRef"
      >
        <el-form-item label="订单名称" prop="name">
          <el-input v-model="form.name" placeholder="名称"></el-input>
        </el-form-item>
        <el-form-item label="订单金额" prop="money">
          <el-input v-model="form.money" placeholder="金额"></el-input>
        </el-form-item>
        <el-form-item label="分类" prop="category">
          <el-select style="width: 100%" v-model="form.category">
            <el-option
              v-for="item in [
                '羽毛器',
                '乒乓球',
                '篮球',
                '足球',
                '排球',
                '网球',
                '舞蹈',
                '拳击',
                '桌球',
                '',
              ]"
              :key="item"
              :value="item"
            ></el-option>
          </el-select>
        </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button @click="fromVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script setup>
import { ref, reactive, onMounted } from "vue";
import { ElMessage, ElMessageBox } from "element-plus";

const tableData = ref([]);
const pageNum = ref(1);
const pageSize = ref(5);
const name = ref("");
const total = ref(0);
const fromVisible = ref(false);
const form = reactive({});
const user = JSON.parse(localStorage.getItem("honey-user") || "{}");
const rules = {
  name: [{ required: true, message: "请输入名称", trigger: "blur" }],
  money: [{ required: true, message: "请输入金额", trigger: "blur" }],
  category: [{ required: true, message: "请输入分类", trigger: "blur" }],
};
const ids = ref([]);
const content = ref("");

onMounted(() => {
  load();
});

const delBatch = () => {
  if (!ids.value.length) {
    ElMessage.warning("请选择数据");
    return;
  }
  ElMessageBox.confirm("您确认批量删除这些数据吗？", "确认删除", {
    type: "warning",
  })
    .then(() => {
      $request
        .delete("/orders/delete/batch", { data: ids.value })
        .then((res) => {
          if (res.code === "200") {
            // 表示操作成功
            ElMessage.success("操作成功");
            load(1);
          } else {
            ElMessage.error(res.msg); // 弹出错误的信息
          }
        });
    })
    .catch(() => {});
};

const handleSelectionChange = (rows) => {
  // 当前选中的所有的行数据
  ids.value = rows.map((v) => v.id);
};

const del = (id) => {
  ElMessageBox.confirm("您确认删除吗？", "确认删除", { type: "warning" })
    .then(() => {
      $request.delete("/orders/delete/" + id).then((res) => {
        if (res.code === "200") {
          // 表示操作成功
          ElMessage.success("操作成功");
          load(1);
        } else {
          ElMessage.error(res.msg); // 弹出错误的信息
        }
      });
    })
    .catch(() => {});
};

const handleEdit = (row) => {
  // 编辑数据
  Object.assign(form, JSON.parse(JSON.stringify(row))); // 给form对象赋值  注意要深拷贝数据
  fromVisible.value = true; // 打开弹窗
};

const handleAdd = () => {
  // 新增数据
  Object.keys(form).forEach((key) => delete form[key]); // 新增数据的时候清空数据
  fromVisible.value = true; // 打开弹窗
};

const save = () => {
  // 保存按钮触发的逻辑  它会触发新增或者更新
  $refs.formRef.validate((valid) => {
    if (valid) {
      sendSaveRequest();
    }
  });
};

const sendSaveRequest = () => {
  $request({
    url: form.id ? "/orders/update" : "/orders/add",
    method: form.id ? "PUT" : "POST",
    data: form,
  }).then((res) => {
    if (res.code === "200") {
      // 表示成功保存
      ElMessage.success("保存成功");
      load(1);
      fromVisible.value = false;
    } else {
      ElMessage.error(res.msg); // 弹出错误的信息
    }
  });
};

const reset = () => {
  name.value = "";
  load();
};

const load = (pageNum) => {
  // 分页查询
  if (pageNum) pageNum.value = pageNum;
  $request
    .get("/orders/selectByPage", {
      params: {
        pageNum: pageNum.value,
        pageSize: pageSize.value,
        name: name.value,
      },
    })
    .then((res) => {
      tableData.value = res.data.records;
      total.value = res.data.total;
    });
};

const handleCurrentChange = (pageNum) => {
  load(pageNum);
};
</script>

<style scoped></style>
